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Dual DMA3100 1200W 4 CH Marine Amplifier

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  • Dual DMA3100 Marine Amplifier
  • Dual DMA3100 Marine Amplifier

List Price: $349.00 On Sale: $148.85 (GST Included) (You save 57.35%)

SKU: DMA3100


$9.95 Flat Rate Generally ships out in 24 to 48 hours.

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How To Build A Bundle

The following accessories can be bundled with your purchase by checking the green ‘Include with Product’ button. You can add as many items to your order as you require and then simply ‘Add to Cart’ to complete order.

Product Info

Product Info

Please Note: This Dual product is part of our Clearance and is only available in limited quantities. This is a limited offer and is available only while stocks last. This product may have already sold out and there are no rain checks offered on clearance items.

Check out the Dual DMA3100 Marine Amplifier's Key Features
(Dual DMA3100)

  • Genuine Australian Dual Warranty
  • Peace of Mind Purchase Guarantee (bottom of page)
  • IP66 Waterproof Rated
  • Class D
  • 1200 Watts Peak Power
  • 75 Watts @ 4Ω RMS
  • Low-Level Inputs (RCA)
  • Built-in High Pass Crossover - 35hz~250hz (12 dB)
  • Variable Gain Control
  • Fuse Rating : 30A x 2


Dual's DMA3100 is a Class D marine amplifier with an IP66 waterproof rating. This 4 channel amplifier produces strong and clear sounds at 1200 watts peak power.

Dual Electronics - The Company

Dual Electronics Corporation is an international company headquartered in Heathrow, Florida. Dual has made monumental contributions to the innovation, evolution and distribution of consumer electronics - from the introduction of stereophonic sound to the creation of the first remote controlled high fidelity cassette player, and beyond.

Dual launched ranges of Home Audio, Car Audio and Marine Audio into the market in 2001 and was quickly accepted as offering great quality products at even better prices. Their products are often reviewed against much higher valued products and always deliver great bang for your buck.

Peace of Mind Purchase Guarantee & Declaration of Warranty
This product is supplied directly via Dual and enjoys the FULL benefits of the ' Dual - Australian Warranty'. (You may also be entitled to other consumer warranties as provided by the Australian Consumer Guarantee and these entitlements are not limited by this warranty). Should this product fail, you have the option of contacting the manufacturer / supplier directly.

We are a FULLY AUTHORISED Australian retailer for Dual Electronics.

This product will be shipped from our Sydney Warehouse. This product is NOT DROP SHIPPED from overseas.

Tech Specs

Technical Specifications

Number of Channels

RMS Power @ 4Ω
75 Watts x 4

RMS Power @ 2Ω
98 Watts x 4

RMS Power Bridged @ 4Ω
100 Watts x 2

Peak Power
1200 Watts

MOSFET Powered

Frequency Response
10hz~22khz (4ohm)

THD at Rated RMS Power
<0.05% at 1W 1khz

Signal to Noise Ratio (dB)

Damping Factor

Input Sensitivity

Dimensions (H x W x D)
1.6" x 7.87" x 3.1"


In The Box

What's Included?

Dual DMA3100 Marine Amplifier


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